NJM2552 JRC, NJM2552 Datasheet - Page 19

• Manufacturer Part Number: NJM2552
• Description: FM IF Demodulator IC / SSOP20
• Manufacturer: JRC

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Ver.2006-11-06
[AM Demodulation Characteristics]
-10
-20
-30
-40
-50
-60
-70
1000
10
AM30% : Demodulated Output Level
100
0
85
80
75
70
65
60
55
50
45
40
0.1
AM30% : Demod. Output and Distortion
10
-20
1
VinLO=100dBuV, AM=30%
-20
2
circuit4, VinIF=80dBuV, AM=30%
VinLO=100dBuV, AM=30%
AM30% : S+N, N versus
versus Supply Voltage
Mixer Input Level VinMIX(dBuV)
Mixer Input Level VinMIX(dBuV)
0
versus Mixer Input Level
Mixer Input Level
0
4
Supply Voltage V+(V)
20
20
40
6
40
THD2
Vod2
S+N
N
60
60
8
80 100 120
80
10
100 120
12
1000
100
10
1
0.1
-10
-20
-30
-40
-50
-60
-70
1000
10
AM30% : Demod. Output and Distortion
AM30% : Demodulated Output Level
100
0
85
80
75
70
65
60
55
50
45
40
0.1
10
-20
1
-50
versus Ambient Temperature
circuit4 , AM=30%
-20
circuit4, VinIF=80dBuV, AM=30%
circuit4, AM=30%
AM30% : S+N, N versus
0
IF Input Level VinIF(dBuV)
-25
Ambient Temperature Ta(°C)
0
versus IF Input Level
IF Input Level VinIF(dBuV)
IF Input Level
20
20
0
40
40
25
60
THD2
Vod2
60
50
S+N
N
80 100 120
NJM2552
80
75
100 120
100 125
1000
100
10
1
0.1
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